Dec 19 21:37:37.491 INFO checking ThomasHertleif/cluster-heist against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 21:37:37.491 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/ThomasHertleif/cluster-heist:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 21:37:37.856 INFO [stdout] e497d155af80ef17ecd66fb013fa5f0961d127a7047c709e47a0d265f9f1abf6
Dec 19 21:37:37.862 INFO running `"docker" "start" "-a" "e497d155af80ef17ecd66fb013fa5f0961d127a7047c709e47a0d265f9f1abf6"`
Dec 19 21:37:40.018 INFO [stderr]     Checking serde v1.0.53
Dec 19 21:37:40.018 INFO [stderr]     Checking net2 v0.2.32
Dec 19 21:37:40.018 INFO [stderr]     Checking filetime v0.1.15
Dec 19 21:37:40.057 INFO [stderr]     Checking simple-server v0.3.0
Dec 19 21:37:40.058 INFO [stderr]    Compiling serde_derive v1.0.53
Dec 19 21:37:40.058 INFO [stderr]     Checking env_logger v0.3.5
Dec 19 21:37:41.928 INFO [stderr]     Checking miow v0.1.5
Dec 19 21:37:42.320 INFO [stderr]     Checking mio v0.5.1
Dec 19 21:37:43.761 INFO [stderr]     Checking notify v4.0.3
Dec 19 21:37:56.221 INFO [stderr]     Checking serde_json v1.0.17
Dec 19 21:37:58.524 INFO [stderr]     Checking cluster-heist v0.1.0 (/opt/crater/workdir)
Dec 19 21:37:59.088 INFO [stderr] warning: unused import: `DirEntry`
Dec 19 21:37:59.088 INFO [stderr]   --> src/main.rs:60:25
Dec 19 21:37:59.088 INFO [stderr]    |
Dec 19 21:37:59.088 INFO [stderr] 60 |     use std::fs::{self, DirEntry};
Dec 19 21:37:59.088 INFO [stderr]    |                         ^^^^^^^^
Dec 19 21:37:59.088 INFO [stderr]    |
Dec 19 21:37:59.088 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 21:37:59.089 INFO [stderr] 
Dec 19 21:37:59.174 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 21:37:59.174 INFO [stderr]   --> src/main.rs:56:5
Dec 19 21:37:59.174 INFO [stderr]    |
Dec 19 21:37:59.174 INFO [stderr] 56 |     t.join();
Dec 19 21:37:59.174 INFO [stderr]    |     ^^^^^^^^^
Dec 19 21:37:59.174 INFO [stderr]    |
Dec 19 21:37:59.174 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 21:37:59.174 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 21:37:59.174 INFO [stderr] 
Dec 19 21:37:59.302 INFO [stderr] warning: unused import: `DirEntry`
Dec 19 21:37:59.302 INFO [stderr]   --> src/main.rs:60:25
Dec 19 21:37:59.302 INFO [stderr]    |
Dec 19 21:37:59.302 INFO [stderr] 60 |     use std::fs::{self, DirEntry};
Dec 19 21:37:59.302 INFO [stderr]    |                         ^^^^^^^^
Dec 19 21:37:59.302 INFO [stderr]    |
Dec 19 21:37:59.302 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 19 21:37:59.302 INFO [stderr] 
Dec 19 21:37:59.379 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 21:37:59.379 INFO [stderr]   --> src/main.rs:56:5
Dec 19 21:37:59.379 INFO [stderr]    |
Dec 19 21:37:59.379 INFO [stderr] 56 |     t.join();
Dec 19 21:37:59.379 INFO [stderr]    |     ^^^^^^^^^
Dec 19 21:37:59.379 INFO [stderr]    |
Dec 19 21:37:59.379 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 21:37:59.379 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 21:37:59.379 INFO [stderr] 
Dec 19 21:37:59.417 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.61s
Dec 19 21:38:00.208 INFO running `"docker" "inspect" "e497d155af80ef17ecd66fb013fa5f0961d127a7047c709e47a0d265f9f1abf6"`
Dec 19 21:38:00.562 INFO running `"docker" "rm" "-f" "e497d155af80ef17ecd66fb013fa5f0961d127a7047c709e47a0d265f9f1abf6"`
Dec 19 21:38:00.932 INFO [stdout] e497d155af80ef17ecd66fb013fa5f0961d127a7047c709e47a0d265f9f1abf6